6o4 



DEPTHS OF THE OCEAN 



Photostojiiias guernei, is shown in Fig. 455. The Hst includes several 

 new forms, which have not yet been described, showing that the Stomia- 

 tidas are more abundant in the Atlantic than was previously supposed. 



Fig. 456. 

 Gonostoma deniidatum, Ratiii. Xat. size, 3.5 cm. 



The Sternoptychidae occur in vast numbers, some of the forms 

 being among the most abundant of all pelagic fishes in the ocean, like 



Fig. 457. 

 Vinciguerria liicctia, Garm. Nat. size, 3.9 cm. 



the genus Cydothone ; in the North Atlantic the two species C. viicrodon 

 and C. signata (see Plate I. Chapter X.) are specially abundant. Nearly 



Fig. 458. 



Argyropelectts heinigymnus, Cocco. Xat. size, 3. 5 cm. 



allied to Cydothone is the genus Gonostoma, the species Gonostoma grande 

 and G. rhodadenia'^ being biologically very interesting (see Plate II. 



^ On Plate II. this species is named G. eloiigatuiii. 



